Apparatus for printing signs.



D; KABER.- APPARATUS FOR PRINTING SIGNS. Arruoxnon FILED JULY 27, 1910.

v Patented Mar. 28, 1911.

titirian era ran it DANIEL KABIJR, OF CLEVELAND, OHIO.

APPARATUS FOR PRINTING SIGNS.

To all whom it may concern.-

Be it known that I, DANIEL Karina, a citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Apparatus for Printing Signs, of which the following is a specification.

There is a great demand in the advertising field for transparent sign which will show up with great effect when placed upon a window or any similar place where the light may strike through it. In most cases signs are made with opaque back-grounds with white lettering or other design work and formed by leaving the plain paper without any color. In some instances a little color is added to increase the effect, but the transparent effect in colors does not seem to produce the best result, unless there is an offset so-called in the printing industry, on the back of the sign-or the paper upon which the sign is printedso as to give proper effect to the color. This very reason has prevented the makers of these transparent signs from making back-grounds other than the opaque back-ground, simply because the colored back-ground was not effective for this work. Furthermore these transparent signs up to the present day have been undesirable by reason of the fact that their finish is dull or flat, so that they present a rather dead appearance through the glass and do not possess the life and sheen which is necessary for a good article. It is also customary to paste these signs upon a window, and when they are made from ordinary paper, they present a very unsightly appearance when pasted upon the window, by reason of the drawing efiect of the paper, causing wrinkles, as well as the peculiar streaky effect which the mucilage, paste, or other adhesive material produces.

The object of the present invention, therefore, is to produce a transparent sign which is set forth upon an embossed paper whereby it may be applied to a window pane without puckering or without showing any streaks, and to further provide upon the entire printed surface of the sign an adhesive material, which when moistened, is unaffected, so far as the printing or design is concerned, but which will adhere to glass to which the sign is applied.

Further the sign is arranged with an ofiset on the backside to bring out the color Specification of Letters Patent? Application filed July 27, 1910.

Patented Mar. 28, 1911.

Serial No. 574,148.

and to cause the sign to show readily from either side and togive suficient strength to the different features of the sign to make it effective in use.

Still further the invention relates to an apparatus for producing these signs, and it contemplates the use of a cylinder having the usual backing covered by a draw-sheet, against which the type print, and in addition thereto, having what 1 term a windsheet, which is secured at one end to the cylinder and is free at the other end so that when the offsetis printed on it and the direct impression is being printed on the other side of the transparent sign sheet, the two sheets may move together and thus do away with a very annoying difliculty, namely, that of splitting, treating or breaking the trans parent sheet.

A further feature of the machine is the fact that the printing plate is provided with vent openings through the body thereof and between the letters or other characters thereon, so that, as the impression is being taken or made, air cushions will not be formed between the parts of the different characters. thus preventing the tearing or breaking of the wind-sheet, as well as the transparent embossed sign sheet;

The invention may be further briefly summarized as consisting in the features of the printing mechanism set forth in the following description, drawings and claims.

Referring to the drawings, Figure 1 shows the cylinder against which the impression is made and showing the backing or padding against which the impression is made; Fig. 2 shows the same cylinder with the backing referred to, together with what 1 term the wind-sheet, which is secured at its upper end in a customary manner to the drum and is adapted to receive the oil'- set impression and to be free at its lower end so that it may move or stretch as it were, with the sheet upon which the sign is printed; Fig. 3 shows the cylinder, the windsheet and the bed of the press; Fig. 4 shows the printing block or the cut with the openings therethrough for preventing the formation of air cushions; and Fig. 5 shows the several parts with the wind-sheet and sign sheet in place. 7

The press utilized in practicing my invention is provided with the usual bed 1 having a rack 2 driven by a suitable gear 3 connected with any suit-able source of power (not shown). The arrangement of this mechanism is such that the bed is reciprocated bacl: and forth throughout the length of the machine as is common in printing machines of this type. On the bed is mounted a suitable printing block or form which is provided with the type or cut t used in making the signs. In this instance, however, the cut t is provided with perforations arranged at intervals over the plate and occurring principally in parts where there is a depression surrounded by an edge forming a pocket which, when the sheet to be printed is forced down upon it, would bring about a compression of air in the pocket and if this compression were not relieved, it would result in breaking the paper.

Mounted above the cut or type is the cylinder 6 having the usual recess 7 therein for receiving clips 8 loosely mounted on a shaft 9 arranged to hold a draw-sheet 10 at one end. The other end of this draw-sheet is secured to a roller 11 which may be tightened and held in place by a ratchet wheel 12 and pawl 1-3. This draw-sheet 10 is arranged over the ordinary packing or padding used in printing presses. In addition to this draw-sheet a wind-sheet 1 is provided and it is secured by additional clips 15 also mounted upon the shaft 9. The opposite end of this wind-sheet is free so that it may follow around the drum and yet may loose at one end so that it can move with the paper upon which the impression is made. in Fig. 5 the wind-sheet is shown with the sheet upon which the impression is made, showing the manner in which they follow along together. The feeding device for the paper and inking mechanism, as well as all the other detail parts of the press, are well known, and, therefore, require no further description. A feed board 16 is arranged, however, on the press, and the stock, which is of a transparent embossed paper, is fed one sheet at a time to the press and is gripped by the usual fingers 17 rigid with the shaft 9, and is carried around the cylinder and down against the cut or other type. Previously, however, the press has made one revolution without the stock or sign sheet so that a print is made upon the surface of the wind-sheet, whereby when the sign sheet is fed in and printed there is an offset upon the back and corresponding to the printing on the front, so that the sign presents a perfect appearance from either side. This operation also produces a sign with a colored back-ground which is transparent. The printing on two sides is absolutely essential for a perfect sign, inasmuch as printing on one side renders the sign very indistinct.

The use of the embossed paper performs two important functions; first, it pe'mits the freshly printed signs to be arranged. one upon the other without a slip-sheet, so-called, between them and without any considerable danger of one rubbing off against the other, and also performs another function in that it does not wrinkle, but presents a neat appearance, when applied to glass or other material.

Having described my invention. l claim 1. Iifiechanism for printing signs comprising a cylinder, a draw-sheet, an offset printing sheet secured at one edge to the cylinder and free at its other edge, means for holding the corresponding edge of the sign sheet, a bed, and a suitable printing form mounted upon said bed.

2. Mechanism for printing signs comprising a. cylinder, a draw-sheet, an offset printing sheet secured at one edge to the cylinder and free at its other edge, means for holding the corresponding edge of the stock sheet, a bed, and a suitable cut mounted upon said bed and provided with ventopenings through the same and leading from the pockets between the characters on one side of the plate to the other side thereof.

In testimony whereof l atlix my signature in presence of two witnesses.

DANIEL KAISER.

lVitnesses ALTON H. BEMIS, CHRISTINE H. Tnnsorr.

Copies of" this patent may be obtained for five cents each, by addressing the dommissioner of IPatents, Washington, 33. C. 

